CN115155988B - Double-circuit pressure-stabilizing glue supply system and control method thereof - Google Patents
Double-circuit pressure-stabilizing glue supply system and control method thereof Download PDFInfo
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- CN115155988B CN115155988B CN202211076187.4A CN202211076187A CN115155988B CN 115155988 B CN115155988 B CN 115155988B CN 202211076187 A CN202211076187 A CN 202211076187A CN 115155988 B CN115155988 B CN 115155988B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1002—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves
- B05C11/1007—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves responsive to condition of liquid or other fluent material
- B05C11/1013—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves responsive to condition of liquid or other fluent material responsive to flow or pressure of liquid or other fluent material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1002—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves
- B05C11/1007—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves responsive to condition of liquid or other fluent material
- B05C11/101—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves responsive to condition of liquid or other fluent material responsive to weight of a container for liquid or other fluent material; responsive to level of liquid or other fluent material in a container
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1036—Means for supplying a selected one of a plurality of liquids or other fluent materials, or several in selected proportions, to the applying apparatus
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- Fluid Mechanics (AREA)
- Coating Apparatus (AREA)
Abstract
The invention relates to the technical field of glue supply, and particularly discloses a double-way pressure-stabilizing glue supply system and a control method thereof, wherein the double-way pressure-stabilizing glue supply system comprises the following steps: double-circuit steady voltage supplies gluey system includes: the glue dispensing device comprises a mounting frame, two glue supply mechanisms, a reversing mechanism, a glue dispensing mechanism, a pressure detection mechanism and a controller, wherein the two glue supply mechanisms and the reversing mechanism are mounted on the mounting frame, and the two glue supply mechanisms are connected with the reversing mechanism; the glue dispensing mechanism is connected with the reversing mechanism through a glue supply pipeline; the pressure detection mechanism is positioned between the reversing mechanism and the glue dispensing mechanism and close to the input end of the glue dispensing mechanism, and is used for monitoring the glue supply pressure value of the glue supply pipeline close to the glue dispensing mechanism; the glue supply mechanism, the reversing mechanism and the pressure detection mechanism are all connected with the controller. The pressure detection mechanism can monitor the glue supply pressure value of the glue supply pipeline in real time, and when the glue supply pressure value is deviated from a set value, the controller can adjust the air supply pressure to ensure that the glue supply pressure value of the glue supply pipeline is stable.
Description
Technical Field
The invention relates to the technical field of glue supply, in particular to a double-way pressure-stabilizing glue supply system and a control method thereof.
Background
With the increasing requirements of the 3C industry on the production efficiency of products, the requirements on the automation degree of equipment are also increasing. At present, in order to improve the efficiency of automated production, glue supply systems are widely used in the field of dispensing. The existing glue supply system generally applies high-pressure gas or cylinder thrust to a glue barrel to push glue in the glue barrel to a glue supply pipeline, and the glue is sprayed to an electronic component through a glue dispensing mechanism. The mode finds that the pressure value of the applied high-pressure gas or the thrust value of the cylinder is always kept consistent in practical application, when the liquid level of the glue in the glue barrel gradually drops, the pressure of the glue per se can change, the pressure value of the glue in the glue supply pipeline also changes, and therefore deviation occurs between the glue outlet amount of the glue dispensing mechanism and a standard value, and the product quality is unqualified.
In addition, the double-circuit that appears on the market at present supplies gluey system, and this double-circuit supplies gluey system can supply gluey state at supplying gluey in-process to remain throughout, and need not to shut down, and the corresponding work efficiency that has improved, but, the double-circuit supplies gluey system also has the aforesaid because of gluing the decline gradually of liquid level in the bucket, leads to the mechanism of dispensing to go out to glue unstable phenomenon. How to guarantee that the double-circuit supplies to glue the system and provide stable pressure all the time, and then can impel out to glue stably is the important problem that the present some glue production facility producer waited to solve.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art.
Therefore, the double-path pressure-stabilizing glue supply system provided by the invention can improve the stability of double-path glue discharge and improve the working efficiency.
According to the embodiment of the invention, the two-way pressure-stabilizing glue supply system comprises: the method comprises the following steps:
a mounting frame, and
the two glue supply mechanisms are arranged on the mounting frame;
the reversing mechanism is arranged on the mounting frame, and the two glue supply mechanisms are connected with the reversing mechanism through glue supply pipelines;
the glue dispensing mechanism is connected with the reversing mechanism through a glue supply pipeline;
the pressure detection mechanism is positioned between the reversing mechanism and the glue dispensing mechanism and close to the input end of the glue dispensing mechanism, and is used for monitoring the glue supply pressure value of a glue supply pipeline close to the glue dispensing mechanism;
and the two glue supply mechanisms, the reversing mechanism and the pressure detection mechanism are connected with the controller.
According to one embodiment of the invention, the glue supply pipeline comprises:
one end of the first glue supply flow channel is communicated with the glue supply mechanism, and the other end of the first glue supply flow channel is communicated with the reversing mechanism;
one end of the second glue supply flow channel is communicated with the reversing mechanism, and the other end of the second glue supply flow channel is communicated with the pressure detection mechanism;
the third supplies to glue the runner, the third supply glue the runner one end with pressure measurement mechanism is linked together, the third supply glue the runner the other end with point gum machine constructs and is linked together.
According to one embodiment of the present invention, the pressure detection mechanism includes:
a body mounted on the mounting bracket;
the fluid inlet is positioned on one side of the body and communicated with the other end of the second glue supply flow channel;
the fluid outlet is positioned on the other side of the body and communicated with one end of the third glue supply flow channel;
the connecting end is located the upper end of body, the connecting end with the controller is connected.
According to one embodiment of the present invention, the glue supply mechanism comprises:
the mounting plate is fixed on the mounting frame;
the glue barrel is arranged on the mounting plate;
the sleeve head assembly is arranged at the top of the rubber barrel and is connected with the mounting plate;
the joint assembly is arranged at the bottom of the glue barrel and connected with the mounting plate.
According to an embodiment of the present invention, the glue supply mechanism further comprises:
the first liquid level sensor is arranged on the mounting plate and is close to the bottom of the glue barrel;
the second liquid level sensor is installed on the mounting plate and close to the bottom of the glue barrel, and the second liquid level sensor is located below the first liquid level sensor.
According to one embodiment of the invention, the first cartridge assembly comprises:
the sleeve head piece is connected with the top of the rubber barrel in a sealing manner;
one side of the sleeve head clamping seat is fixedly connected with the mounting plate, and the sleeve head part is clamped with the sleeve head clamping seat.
According to one embodiment of the invention, the headpiece comprises:
the two sides of the cover plate are respectively provided with a clamping part, the clamping parts are clamped with the sleeve head clamping seats, the bottom surface of the cover plate is provided with a sealing part, and the sealing part is embedded in the rubber barrel to seal the top of the rubber barrel; the center of the cover plate is provided with a through hole.
According to one embodiment of the invention, the joint assembly comprises:
one side of the joint fixing plate is fixedly connected with the mounting plate;
the joint is arranged on the joint fixing plate and is connected with the bottom of the rubber barrel,
the three-way joint is connected with the joint, is positioned below the joint fixing plate and is communicated with the reversing mechanism through a glue supply pipeline;
and the waste liquid cup is connected with the three-way joint.
The invention also provides a control method of the double-way pressure-stabilizing glue supply system, which adopts the double-way pressure-stabilizing glue supply system and comprises the following steps:
s1, filling glue into one of two glue supply mechanisms, wherein the other glue supply mechanism is in an empty state, and supplying glue to a glue dispensing mechanism through the glue supply mechanism filled with glue; the controller sets a pressure reference value, a pressure control threshold value and a pressure overpressure threshold value in the glue supply pipeline, monitors the glue supply pressure value of the glue supply pipeline in real time through the pressure detection mechanism, and sends the glue supply pressure value to the controller;
s2, the controller compares the real-time glue supply pressure value with a pressure reference value, and if the difference value between the real-time glue supply pressure value and the pressure reference value exceeds a pressure control threshold value and is smaller than a pressure overpressure threshold value, the controller adjusts the air supply pressure of a glue supply mechanism filled with glue so that the difference value between the real-time glue supply pressure value and the pressure reference value is smaller than the pressure control threshold value; and if the difference value between the real-time glue supply pressure value and the pressure reference value exceeds the pressure overpressure threshold value, the controller outputs an alarm signal and controls the two-way pressure-stabilizing glue supply system to stop working.
According to an embodiment of the invention, said pressure control threshold is 20kpa and said pressure overpressure threshold is 50kpa.
According to one embodiment of the invention, the method further comprises:
s1.1, when a first liquid level sensor of a working glue supply mechanism detects that the liquid level of glue in a glue barrel drops to an early warning line, a controller outputs an early warning signal, and at the moment, a worker fills the glue barrel of the other glue supply mechanism with the glue;
s1.2, when a second liquid level sensor of the working glue supply mechanism detects that the liquid level of glue in a glue barrel continuously drops to an alarm line, the controller controls the reversing mechanism to switch to another glue supply mechanism to supply glue to the glue dispensing mechanism;
and S1.3, repeating the steps S1.1-S1.2 to realize the cyclic switching between the two glue supply mechanisms.
According to an embodiment of the invention, after the step S1.1, if the first liquid level sensor of the other glue supply mechanism does not detect that glue is in the glue barrel, the controller outputs an alarm signal and controls the two-way pressure-stabilizing glue supply system to suspend working.
The beneficial effect of the invention is that,
the pressure detection mechanism is arranged at the input end of the glue dispensing mechanism, can monitor the glue supply pressure value of the glue supply pipeline at the glue dispensing mechanism in real time, and can adjust the air supply pressure of the glue supply mechanism through the controller to ensure the stability of the glue supply pressure value of the glue supply pipeline or output an alarm signal to remind a worker when the deviation between the glue supply pressure value and a set reference value is found; automatic switching between two glue supply mechanisms can be realized through the reversing mechanism, and the production efficiency is improved.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural diagram of a two-way pressure-stabilizing glue supply system of the invention.
Fig. 2 is a schematic structural view of the pressure detection mechanism of the present invention.
Fig. 3 is a schematic perspective view of the glue supply mechanism of the present invention.
Fig. 4 is a sectional view of the glue supply mechanism of the present invention.
Fig. 5 is a schematic view of the construction of the joint assembly of the present invention.
Fig. 6 is a schematic diagram of the architecture of the headpiece of the present invention.
Fig. 7 is a schematic view of another angle of the headpiece of the present invention.
Fig. 8 is a schematic structural view of the sleeve head clamping seat of the invention.
Fig. 9 is a cross-sectional view of the ferrule holder of the present invention.
Fig. 10 is a cross-sectional view of the cuff assembly of the present invention.
Fig. 11 is a schematic view of the structure of the mounting plate of the present invention.
Fig. 12 is a schematic structural view of the joint securing plate of the present invention.
Fig. 13 is a schematic view of the structure of the joint of the present invention.
FIG. 14 is a schematic structural view of the three-way joint of the present invention.
Fig. 15 is a flow chart of a control method of the two-way pressure-stabilizing glue supply system of the invention.
In the figure: 1. a mounting frame; 2. a glue supply mechanism; 3. a glue dispensing mechanism; 4. a reversing mechanism; 5. a pressure detection mechanism; 6. a controller; 21. mounting a plate; 22. a glue barrel; 23. a ferrule assembly; 24. a joint assembly; 25. a first liquid level sensor; 26. a second liquid level sensor; 211. mounting holes; 27. a rubber barrel limiting plate; 231. a headpiece; 232. a sleeve head clamping seat; 233. a seal ring; 2311. a cover plate; 2312. a clamping part; 2313. a sealing part; 2314. a through hole; 2321. a connecting portion; 2322. a limiting part; 2323. a side wall; 2324. a groove; 221. a convex edge; 241. a joint fixing plate; 242. a joint; 243. a three-way joint; 244. a waste liquid cup; 2431. an inlet; 2432. a glue outlet; 2433. a liquid discharge port; 2434. a handle; 2411. a notch; 2412. a first fixing hole; 2421. connecting blocks; 2422. a second fixing hole; 41. a diverter valve; 42. a cylinder; 51. a body; 52. a fluid inlet; 53. a fluid outlet; 54. a connecting end; 71. a first glue supply channel; 72. a second glue supply flow channel; 73. and a third glue supply flow channel.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 14, the two-way pressure-stabilizing glue supply system according to the embodiment of the present invention includes: mounting bracket 1, two glue supply mechanisms 2, glue dispensing mechanism 3, reversing mechanism 4, pressure detection mechanism 5 and controller 6, two glue supply mechanisms 2 are installed on mounting bracket 1, reversing mechanism 4 is installed on mounting bracket 1, two glue supply mechanisms 2 all are connected through supplying the gluey pipeline with reversing mechanism 4, glue dispensing mechanism 3 is connected through supplying the gluey pipe line with reversing mechanism 4, pressure detection mechanism 5 is located between reversing mechanism 4 and glue dispensing mechanism 3, and be close to the input in glue dispensing mechanism 3, pressure detection mechanism 5 is used for monitoring the glue supply pressure value that is close to in gluey pipeline of the department of glue dispensing mechanism 3, glue supply mechanism 2, reversing mechanism 4 and pressure detection mechanism 5 all are connected with controller 6.
The pressure detection mechanism 5 is arranged at the input end of the glue dispensing mechanism 3, can monitor the glue supply pressure value of the glue supply pipeline at the glue dispensing mechanism 3 in real time, and can adjust the air supply pressure of the glue supply mechanism 2 through the controller 6 to ensure that the glue supply pressure value of the glue supply pipeline is stable or output an alarm signal to remind a worker when the glue supply pressure value is deviated from a set reference value; the automatic switching between the two glue supply mechanisms 2 can be realized through the reversing mechanism 4, and the production efficiency is improved.
For example, the controller 6 includes an air pressure adjusting unit and a control unit, the air pressure adjusting unit is connected with the glue supply mechanism 2, the air supply pressure of the glue supply mechanism 2 can be adjusted, the control unit is connected with the reversing mechanism 4 and the pressure detection mechanism 5, the glue supply pressure value can be collected, an alarm signal can be output, and the reversing mechanism 4 can be controlled to switch pipelines. For example, the reversing mechanism 4 comprises a reversing valve 41 and a cylinder 42, the reversing valve 41 and the cylinder 42 are both mounted on the mounting frame 1, the cylinder 42 is connected with a controller, the controller can control the reversing valve 41 to act through the cylinder 42, and the reversing valve 41 is, for example, a two-position five-way reversing valve.
For example, pressure measurement mechanism 5 installs on mounting bracket 1 to pressure measurement mechanism 5 is linked together with supplying gluey pipeline, and pressure measurement mechanism 5's monitoring position should be close to the input of some mechanisms 3 as far as possible, in order to promote the accuracy of monitoring the pressure value of supplying gluey. The glue dispensing amount of the glue dispensing mechanism 3 is closely related to the glue supply pressure value, and once the glue supply pressure value changes, the glue outlet amount of the glue dispensing mechanism 3 also changes, so that the glue dispensing accuracy and stability are improved, and the glue supply pressure at the inlet end of the glue dispensing mechanism 3 is guaranteed to be very stable. The pressure detection mechanism 5 detects the glue supply pressure on the glue supply pipeline close to the glue dispensing mechanism 3 and feeds back the glue supply pressure to the controller 6 in real time, and the controller 6 adjusts the pressure supply pressure in real time through the fed back glue supply pressure value, so that the glue supply pressure value of the glue supply pipeline is always stable. In other words, the pressure detecting mechanism 5 is not only used for detecting the pressure value in the glue supply pipeline, but also used as the input end of the controller, and is a source for ensuring the pressure stability in the glue supply pipeline.
Specifically, the glue supply pipeline includes: the glue dispensing device comprises a first glue supplying flow channel 71, a second glue supplying flow channel 72 and a third glue supplying flow channel 73, wherein one end of the first glue supplying flow channel 71 is communicated with a glue supplying mechanism 2, the other end of the first glue supplying flow channel 71 is communicated with a reversing mechanism 4, the number of the first glue supplying flow channels 71 is equal to that of the glue supplying mechanisms 2, one end of the second glue supplying flow channel 72 is communicated with the reversing mechanism 4, the other end of the second glue supplying flow channel 72 is communicated with a pressure detecting mechanism 5, one end of the third glue supplying flow channel 73 is communicated with the pressure detecting mechanism 5, and the other end of the third glue supplying flow channel 73 is communicated with a glue dispensing mechanism 3. Pressure measurement mechanism 5 installs between reversing mechanism 4 and point gum machine construct 3 to through the improvement to supplying gluey pipeline structure, no matter which supplies gluey mechanism 2 during operation, pressure measurement mechanism 5 homoenergetic detects supplying gluey pressure value of supplying gluey pipeline, realizes that the double-circuit steady voltage supplies to glue.
The pressure detection mechanism 5 includes: the glue supplying device comprises a body 51, a fluid inlet 52, a fluid outlet 53 and a connecting end 54, wherein the body 51 is installed on the installation frame 1, the fluid inlet 52 is located on one side of the body 51, the fluid inlet 52 is communicated with the other end of the second glue supplying flow channel 72, the fluid outlet 53 is located on the other side of the body 51, the fluid outlet 53 is communicated with one end of the third glue supplying flow channel 73, the connecting end 54 is located at the upper end of the body 51, and the connecting end 54 is connected with the controller 6. Glue in the glue supply mechanism 2 can flow to the first glue supply flow channel 71 under the effect of air pressure, the reversing mechanism 4 can be conducted one of the first glue supply flow channels 71 to enable the glue to flow to the second glue supply flow channel 72, at the moment, the glue can pass through the pressure detection mechanism 5, the pressure detection mechanism 5 detects the glue supply pressure value and feeds the glue supply pressure value back to the controller 6, if a small deviation (within 20kpa for example) exists between the actual glue supply pressure value and a reference value, the control unit immediately regulates and controls the air pressure adjusting unit to increase or reduce the air supply pressure, the glue pressure reaching the glue dispensing mechanism 3 is enabled to be kept stable, and therefore the stability of the glue dispensing amount is guaranteed. If the controller 6 finds that a large deviation (for example, 20-50 kpa) exists between the actual glue supply pressure value and the reference value, the controller outputs an alarm signal to inform a worker of stopping adjustment. According to the invention, a closed loop is formed by feedback of the pressure detection mechanism 5 and regulation and control of the controller 6, so that the glue output of the glue dispensing mechanism 3 is kept stable, the glue dispensing effect is improved, and the product percent of pass is improved.
According to an embodiment of the present invention, the glue supply mechanism 2 includes: mounting panel 21, gluey bucket 22, pullover subassembly 23 and joint Assembly 24, mounting panel 21 is fixed on mounting bracket 1, and gluey bucket 22 is installed on mounting panel 21, and pullover subassembly 23 is installed at gluey bucket 22 top, and pullover subassembly 23 is connected with mounting panel 21, and joint Assembly 24 installs in gluey bucket 22 bottom, and joint Assembly 24 is connected with mounting panel 21. Supply to glue mechanism 2 still includes first level sensor 25 and second level sensor 26, and first level sensor 25 installs on mounting panel 21, and first level sensor 25 is close to gluey bucket 22 bottom, and second level sensor 26 installs on mounting panel 21, and second level sensor 26 is close to gluey bucket 22 bottom, and second level sensor 26 is located first level sensor 25's below. For example, the mounting frame 1 may include a plurality of cross bars and vertical bars, and two ends of the cross bars are respectively fixed on two vertical bars. Mounting panel 21 can all be equipped with a plurality of mounting holes 211 through the fix with screw on the montant, mounting panel 21's top, middle part and bottom, pullover subassembly 23 can be connected with the mounting hole 211 at top through the screw, and joint Assembly 24 can be connected with the mounting hole 211 of bottom through the screw, and the mounting hole 211 at middle part can be used for the fixed bucket limiting plate 27 that glues, glues and has seted up a circular through-hole on the bucket limiting plate 27, glues bucket 22 and can pass this circular through-hole. In other words, the top, middle and bottom of the glue barrel 22 can be fixed to the mounting plate 21 by the head-sleeving assembly 23, the glue barrel limiting plate 27 and the joint assembly 24, so as to improve the stability of the glue barrel 22.
For example, the first liquid level sensor 25 and the second liquid level sensor 26 can be fixed on the left side of the mounting plate 21 by screws, and the first liquid level sensor 25 and the second liquid level sensor 26 are close to the glue barrel 22, and the first liquid level sensor 25 and the second liquid level sensor 26 can detect the glue level in the glue barrel 22. For example, the two glue supply mechanisms 2 are respectively marked as a glue supply mechanism a and a glue supply mechanism B, when the glue level in the glue barrel 22 of the glue supply mechanism a is lower than an early warning line, the first liquid level sensor 25 can send out an early warning signal, and at this time, a worker can fill the glue barrel 22 of the glue supply mechanism B with glue in advance; when the glue liquid level in the glue barrel 22 of the glue supply mechanism A is lower than the alarm line, the second liquid level sensor 26 can send out an alarm signal, and at the moment, the controller 6 can switch the glue supply mechanism A into the glue supply mechanism B by controlling the reversing mechanism 4. Similarly, when the glue level of the glue supply mechanism B is lower than the warning line, the worker fills the glue barrel 22 of the glue supply mechanism A which has used up the glue before with the glue, and when the glue level of the glue supply mechanism B is lower than the warning line, the worker switches the glue supply mechanism A again to supply the glue through the reversing mechanism 4, so as to perform the circulating operation. Therefore, through the two-stage alarm strategy, when the alarm is given in advance, the other vacant glue barrel can be filled with glue, so that the glue is prevented from deteriorating due to long-time waiting in the glue barrel; during the warning, will supply gluey mechanism 2 again and switch over to the gluey bucket of full pipe, continue to supply gluey, improve production efficiency. When a user needs to use special glue for glue dispensing, the quality guarantee period of the glue at normal temperature is only 24 hours, the quality guarantee period is short, if the two glue supply mechanisms 2 are filled with the glue at the same time, and the other glue supply mechanism 2 is in a waiting state all the time, the time for placing the glue at normal temperature before being used up can exceed 24 hours, so that the glue of the other glue supply mechanism 2 is overdue before being used up, glue dispensing failure is caused, waste of production cost is caused, and working efficiency is reduced.
According to an embodiment of the present invention, the bit assembly 23 includes: the sleeve head 231 and the sleeve head clamping seat 232 are connected, the sleeve head 231 is connected with the top of the rubber barrel 22 in a sealing mode, one side of the sleeve head clamping seat 232 is fixedly connected with the mounting plate 21, and the sleeve head 231 is clamped with the sleeve head clamping seat 232. The sleeve piece 231 comprises a cover plate 2311, clamping portions 2312 are arranged on two sides of the cover plate 2311 respectively, the clamping portions 2312 are clamped with the sleeve head clamping seats 232, sealing portions 2313 are arranged on the bottom surface of the cover plate 2311, the sealing portions 2313 are embedded in the rubber barrel 22 to seal the top of the rubber barrel 22, and a through hole 2314 is formed in the center of the cover plate 2311. The sleeve head clamping seat 232 comprises: the connecting portion 2321 and the limiting portion 2322, the connecting portion 2321 is fixedly connected with the mounting plate 21, the limiting portion 2322 is located above the connecting portion 2321, the limiting portion 2322 is connected with the connecting portion 2321 through the side wall 2323 to form a groove 2324, and the clamping portion 2312 is embedded in the groove 2324. A sealing ring 233 is arranged between the sealing portion 2313 and the inner wall of the glue barrel 22.
Specifically, the top of the glue barrel 22 is an opening, the top of the glue barrel 22 can be sealed by the sleeve 231, the through hole 2314 can be used for installing a gas pipe connector, and the gas pipe connector can supply gas into the glue barrel 22 after being connected with a gas pipe so as to push glue in the glue barrel 22 to the connector assembly 24. The air pressure adjusting unit may be connected to the glue bucket 22 through an air pipe to adjust the air supply pressure. The cover plate 2311 can be run through at the top of the rubber barrel 22, a circle of convex edge 221 is arranged at the top end of the rubber barrel 22, and during installation, the convex edge 221 can be limited by the limiting part 2322, so that the rubber barrel 22 can be smoothly installed on the sleeve head clamping seat 232. One side of the connection portion 2321 may be fixedly connected to the mounting plate 21 by a screw. The sealing portion 2313 is, for example, a circular ring shape, the outer diameter of which matches the inner diameter of the rubber barrel 22, and the clamping portion 2312 is, for example, an L-shape, the lower end of which can be embedded into the groove 2324 to fix the sleeve 231 and the sleeve clamp seat 232. When the sleeve member 231 needs to be detached, the sleeve member 231 is rotated to disengage the clamping portions 2312 from the grooves 2324.
According to one embodiment of the present invention, the joint assembly 24 includes: the joint fixing plate 241, the joint 242, the three-way joint 243 and the waste liquid cup 244, wherein one side of the joint fixing plate 241 is fixedly connected with the mounting plate 21, the joint 242 is mounted on the joint fixing plate 241, the joint 242 is connected with the bottom of the glue barrel 22, the three-way joint 243 is connected with the joint 242, the three-way joint 243 is located below the joint fixing plate 241, the three-way joint 243 is communicated with the reversing mechanism 4 through a glue supply pipeline, and the waste liquid cup 244 is connected with the three-way joint 243. The three-way joint 243 includes: an inlet 2431, a glue outlet 2432, a liquid outlet 2433 and a handle 2434, wherein the inlet 2431 is communicated with the joint 242, the glue outlet 2432 is communicated with the reversing mechanism 4 through the first glue supply flow channel 71, the liquid outlet 2433 is communicated with the waste liquid cup 244, and the handle 2434 is used for switching the glue outlet 2432 and the liquid outlet 2433.
For example, one side of the joint fixing plate 241 may be fixedly connected to the mounting plate 21 by a screw, one side of the joint fixing plate 241 opposite to the mounting plate 21 is provided with a gap 2411, a plurality of first fixing holes 2412 are provided around the gap 2411, a connecting block 2421 is provided between the top and the bottom of the joint 242, a plurality of second fixing holes 2422 are correspondingly provided on the connecting block 2421, the first fixing holes 2412 and the second fixing holes 2422 may be fixed by a screw to mount the joint 242 on the joint fixing plate 241, the top of the joint 242 is communicated with the bottom of the glue barrel 22, and the bottom of the joint 242 is communicated with the inlet 2431. The glue outlet 2432 is communicated with the reversing mechanism 4 through the first glue supply flow channel 71, and when glue is supplied, the glue in the glue barrel 22 can enter the reversing mechanism 4 through the glue outlet 2432 and then enter the glue inlet mechanism 3 through the glue supply pipeline. The liquid outlet 2433 is connected to the waste liquid cup 244, and when glue is just discharged from the glue barrel 22, the glue may contain waste liquid such as air and impurities, so that the waste liquid can be discharged into the waste liquid cup 244 first. The handle 2434 can switch the direction of the outlet of glue (outlet 2432 or outlet 2433).
As shown in fig. 15, the present invention further provides a control method of a two-way pressure-stabilizing glue supply system, which adopts the two-way pressure-stabilizing glue supply system, and the control method comprises the following steps:
s1, filling glue into one glue supply mechanism 2 of two glue supply mechanisms 2, enabling the other glue supply mechanism 2 to be in an empty state, and supplying glue to a glue dispensing mechanism 3 through the glue supply mechanism 2 filled with glue; the controller 6 sets a pressure reference value, a pressure control threshold value and a pressure overpressure threshold value in the glue supply pipeline, monitors the glue supply pressure value of the glue supply pipeline in real time through the pressure detection mechanism 5, and sends the glue supply pressure value to the controller 6.
S2, the controller 6 compares the real-time glue supply pressure value with a pressure reference value, and if the difference value between the real-time glue supply pressure value and the pressure reference value exceeds a pressure control threshold value and is smaller than a pressure overpressure threshold value, the controller 6 adjusts the air supply pressure of a glue supply system filled with glue water so that the difference value between the real-time glue supply pressure value and the pressure reference value is smaller than the pressure control threshold value; if the difference value between the real-time glue supply pressure value and the pressure reference value exceeds the pressure overpressure threshold value, the controller 6 outputs an alarm signal and controls the two-way pressure-stabilizing glue supply system to stop working.
Specifically, the method further comprises the following steps: s1.1, when the first liquid level sensor 25 of the working glue supply mechanism 2 detects that the liquid level of glue in the glue barrel 22 falls to an early warning line, the controller 6 outputs an early warning signal, and at the moment, the worker fills the glue barrel 22 of the other glue supply mechanism 2 with glue. S1.2, when the second liquid level sensor 26 of the working glue supply mechanism 2 detects that the liquid level of glue in the glue barrel 22 continuously drops to an alarm line, the controller 6 controls the reversing mechanism 4 to switch to another glue supply mechanism 2 to supply glue to the glue dispensing mechanism 3. S1.3, repeating the steps S1.1-S1.2 to realize the cyclic switching between the two glue supply mechanisms 2.
It should be noted that after step S1.1, if the first liquid level sensor 25 of the other glue supply mechanism 2 does not detect that there is glue in the glue barrel 22, the controller 6 outputs an alarm signal and controls the two-way pressure-stabilizing glue supply system to suspend operation.
In other words, in step S1, when one of the glue supplying mechanisms 2 is in operation, the glue barrel of the other glue supplying mechanism 2 is empty (no glue), and the two glue supplying mechanisms 2 are cyclically switched through steps S1.1 to S1.3, that is, only when the controller 6 outputs the warning signal, the worker fills the glue into the other empty glue barrel, so as to reduce the waiting time of the glue and prevent the glue from deteriorating. No matter which glue supply mechanism 2 works, the pressure detection mechanism 5 can monitor the glue supply pressure value of the glue supply pipeline and feed the glue supply pressure value back to the controller 6, and the controller 6 executes the step S2 again.
The pressure control threshold is, for example, 20kpa, the pressure overpressure threshold is, for example, 50kpa, and a difference between the real-time glue supply pressure value and the pressure reference value may be a positive value or a negative value, that is, when a change of the actual glue supply pressure value relative to the pressure reference value is within 20kpa, the controller 6 may maintain the stability of the glue supply pressure by regulating the air supply pressure, for example, when the detected actual glue supply pressure value is 10kpa less than the pressure reference value, the controller increases the air supply pressure by 10kpa through regulating the air pressure regulating unit; when the actual glue supply pressure value is changed by more than 20kpa but less than 50kpa relative to the pressure reference value, the requirement cannot be met by regulating the air pressure, and the controller 6 can output an alarm signal to remind a worker.
In summary, the pressure detection mechanism 5 of the present invention is installed at the input end of the dispensing mechanism 3, and can monitor the glue supply pressure value of the glue supply pipeline at the dispensing mechanism 3 in real time, and when a slight deviation (i.e. exceeding the pressure control threshold value but being smaller than the pressure overpressure threshold value) exists between the glue supply pressure value and the set value, the controller 6 adjusts the air supply pressure to ensure the glue supply pressure value of the glue supply pipeline to be stable; when a large deviation (exceeding a pressure overpressure threshold) exists between the glue supply pressure value and the set value, the controller 6 can output an alarm signal to remind a worker to check and maintain. Realize two through reversing mechanism 4 and supply the automatic switch-over between the gluey mechanism 2, realize supplying in succession gluey, prevent that glue is rotten, can also improve work efficiency. The glue discharging device is compact in structure and easy to realize, and can improve the stability of glue discharging and improve the working efficiency.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the contents of the specification, and must be determined by the scope of the claims.
Claims (11)
1. A control method of a double-path pressure-stabilizing glue supply system is characterized in that the double-path pressure-stabilizing glue supply system is adopted, and the double-path pressure-stabilizing glue supply system comprises the following steps:
mounting frame (1), and
the two glue supply mechanisms (2), the two glue supply mechanisms (2) are both arranged on the mounting rack (1);
the reversing mechanisms (4) are mounted on the mounting frame (1), and the two glue supply mechanisms (2) are connected with the reversing mechanisms (4) through glue supply pipelines;
the glue dispensing mechanism (3) is connected with the reversing mechanism (4) through a glue supply pipeline;
the pressure detection mechanism (5) is positioned between the reversing mechanism (4) and the glue dispensing mechanism (3) and close to the input end of the glue dispensing mechanism (3), and the pressure detection mechanism (5) is used for monitoring the glue supply pressure value of a glue supply pipeline close to the glue dispensing mechanism (3);
the glue supply mechanism (2), the reversing mechanism (4) and the pressure detection mechanism (5) are all connected with the controller (6);
the control method comprises the following steps:
s1, filling glue into one glue supply mechanism (2) of two glue supply mechanisms (2), enabling the other glue supply mechanism (2) to be in an empty state, and supplying glue to a glue dispensing mechanism (3) through the glue supply mechanism (2) filled with the glue; the controller (6) sets a pressure reference value, a pressure control threshold value and a pressure overpressure threshold value in the glue supply pipeline, monitors the glue supply pressure value of the glue supply pipeline in real time through the pressure detection mechanism (5), and sends the glue supply pressure value to the controller (6);
s2, the controller (6) compares the real-time glue supply pressure value with a pressure reference value, if the difference value between the real-time glue supply pressure value and the pressure reference value exceeds a pressure control threshold value and is smaller than a pressure overpressure threshold value, the controller (6) increases or decreases the air supply pressure of the glue supply mechanism (2) filled with glue to enable the difference value between the real-time glue supply pressure value and the pressure reference value to be smaller than the pressure control threshold value, so that the glue pressure reaching the glue dispensing mechanism (3) is kept stable, and the stability of glue discharging amount is guaranteed; and if the difference value between the real-time glue supply pressure value and the pressure reference value exceeds the pressure overpressure threshold value, the controller (6) outputs an alarm signal and controls the double-path pressure-stabilizing glue supply system to stop working.
2. The control method of a two-way pressure-stabilizing glue supply system according to claim 1, wherein the glue supply pipeline comprises:
one end of the first glue supply flow channel (71) is communicated with the glue supply mechanism (2), and the other end of the first glue supply flow channel (71) is communicated with the reversing mechanism (4);
one end of the second glue supply flow channel (72) is communicated with the reversing mechanism (4), and the other end of the second glue supply flow channel (72) is communicated with the pressure detection mechanism (5);
and a third glue supply flow channel (73), wherein one end of the third glue supply flow channel (73) is communicated with the pressure detection mechanism (5), and the other end of the third glue supply flow channel (73) is communicated with the glue dispensing mechanism (3).
3. The control method of a two-way pressure-stabilizing glue supply system according to claim 2, characterized in that the pressure detection mechanism (5) comprises:
a body (51), said body (51) being mounted on said mounting frame (1);
the fluid inlet (52) is positioned on one side of the body (51), and the fluid inlet (52) is communicated with the other end of the second glue supply flow channel (72);
the fluid outlet (53) is positioned on the other side of the body (51), and the fluid outlet (53) is communicated with one end of the third glue supply flow channel (73);
a connecting end (54), wherein the connecting end (54) is positioned at the upper end of the body (51), and the connecting end (54) is connected with the controller (6).
4. The control method of a two-way pressure-stabilizing glue supply system according to claim 1, wherein the glue supply mechanism (2) comprises:
the mounting plate (21), the said mounting plate (21) is fixed on said mounting bracket (1);
the glue barrel (22), the said glue barrel (22) is installed on said mounting panel (21);
the sleeve head assembly (23), the sleeve head assembly (23) is installed at the top of the rubber barrel (22), and the sleeve head assembly (23) is connected with the installation plate (21);
the joint component (24) is arranged at the bottom of the glue barrel (22), and the joint component (24) is connected with the mounting plate (21).
5. The control method of a two-way pressure-stabilizing glue supply system according to claim 4, wherein the glue supply mechanism (2) further comprises:
the first liquid level sensor (25), the first liquid level sensor (25) is installed on the installation plate (21), and the first liquid level sensor (25) is close to the bottom of the glue barrel (22);
a second level sensor (26), the second level sensor (26) is installed on the mounting plate (21), the second level sensor (26) is close to the bottom of the glue bucket (22), and the second level sensor (26) is located below the first level sensor (25).
6. The control method of a two-way pressure-stabilizing glue supply system according to claim 4, wherein the cuff assembly (23) comprises:
the sleeve head piece (231), the sleeve head piece (231) is connected with the top of the rubber barrel (22) in a sealing mode;
the sleeve head clamping seat (232), one side of the sleeve head clamping seat (232) is fixedly connected with the mounting plate (21), and the sleeve head piece (231) is clamped with the sleeve head clamping seat (232).
7. The control method of a two-way pressure-stabilizing glue supply system according to claim 6, wherein the headpiece (231) comprises:
the cover plate (2311), the two sides of the cover plate (2311) are respectively provided with a clamping portion (2312), the clamping portions (2312) are clamped with the sleeve head clamping seat (232), the bottom surface of the cover plate (2311) is provided with a sealing portion (2313), and the sealing portion (2313) is embedded in the glue barrel (22) to seal the top of the glue barrel (22); the center of the cover plate (2311) is provided with a through hole (2314).
8. A control method of a two-way pressure-stabilizing glue supply system according to claim 4, characterized in that the joint assembly (24) comprises:
the joint fixing plate (241), one side of the joint fixing plate (241) is fixedly connected with the mounting plate (21);
the joint (242) is arranged on the joint fixing plate (241), the joint (242) is connected with the bottom of the glue barrel (22),
the three-way joint (243), the three-way joint (243) is connected with the joint (242), the three-way joint (243) is located below the joint fixing plate (241), and the three-way joint (243) is communicated with the reversing mechanism (4) through a glue supply pipeline;
a waste cup (244), the waste cup (244) being connected to the tee joint (243).
9. A control method of a two-way pressure-stabilizing glue supply system according to claim 1, characterized in that the pressure control threshold is 20kpa, and the pressure overpressure threshold is 50kpa.
10. The control method of a two-way pressure-stabilizing glue supply system according to claim 1, characterized in that the method further comprises:
s1.1, when a first liquid level sensor (25) of a working glue supply mechanism (2) detects that the liquid level of glue in a glue barrel (22) drops to an early warning line, a controller (6) outputs an early warning signal, and at the moment, a worker fills the glue barrel (22) of the other glue supply mechanism (2) with the glue;
s1.2, when a second liquid level sensor (26) of a working glue supply mechanism (2) detects that the liquid level of glue in a glue barrel (22) continuously drops to an alarm line, a controller (6) controls a reversing mechanism (4) to switch to another glue supply mechanism (2) to supply glue to a glue dispensing mechanism (3);
s1.3, repeating the steps S1.1-S1.2 to realize the cyclic switching between the two glue supply mechanisms (2).
11. The control method of a two-way pressure-stabilizing glue supply system according to claim 10, wherein after step S1.1, if the first liquid level sensor (25) of another glue supply mechanism (2) does not detect that glue is present in the glue barrel (22), the controller (6) outputs an alarm signal and controls the two-way pressure-stabilizing glue supply system to suspend operation.
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